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Feb 9, 1500
The first time human discovered pencil
At first, human use paper reed to cover the graphite to use. Human used it for marking the sheep -
Feb 9, 1560
Wood holders added
Italian discovered that if you put the graphite in between the wood and glue the wood together will be more convinience to write -
Eraser attached
More convinience for people to use -
solid graphit emerges
realized solid graphite usefulness in lining cannonballs. -
Pencil extenders
artists often use this on the coloured pencil